Inventor

NGAI AGNES Y

US34 patents

Patents

34 patents

US7085322B2Aug 1, 2006

Distributed control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

IBM119 citations99

US6956901B2Oct 18, 2005

Control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

IBM132 citations99

US6859496B1Feb 22, 2005

Adaptively encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

IBM158 citations99

US6996186B2Feb 7, 2006

Programmable horizontal filter with noise reduction and image scaling for video encoding system

IBM67 citations96

US6269120B1Jul 31, 2001

Method of precise buffer management for MPEG video splicing

IBM60 citations96

US5003462AMar 26, 1991

Apparatus and method for implementing precise interrupts on a pipelined processor with multiple functional units with separate address translation interrupt means

IBM112 citations96

US6222883B1Apr 24, 2001

Video encoding motion estimation employing partitioned and reassembled search window

IBM58 citations95

US5526054AJun 11, 1996

Apparatus for header generation

IBM149 citations95

US5418916AMay 23, 1995

Central processing unit checkpoint retry for store-in and store-through cache systems

IBM87 citations95

US6097757AAug 1, 2000

Real-time variable bit rate encoding of video sequence employing statistics

IBM84 citations94

US6081622AJun 27, 2000

Optimized field-frame prediction error calculation method and apparatus in a scalable MPEG-2 compliant video encoder

IBM46 citations94

US6020934AFeb 1, 2000

Adaptive encoding of a sequence of still frames or partially still frames within motion video

IBM34 citations91

US6823013B1Nov 23, 2004

Multiple encoder architecture for extended search

IBM29 citations91

US5031096AJul 9, 1991

Method and apparatus for compressing the execution time of an instruction stream executing in a pipelined processor

IBM28 citations89

US5291586AMar 1, 1994

Hardware implementation of complex data transfer instructions

IBM49 citations87

US6961378B1Nov 1, 2005

On-chip dynamic buffer level indicators for digital video encoder

IBM15 citations83

US6823015B2Nov 23, 2004

Macroblock coding using luminance date in analyzing temporal redundancy of picture, biased by chrominance data

IBM17 citations83

US6040875AMar 21, 2000

Method to compensate for a fade in a digital video input sequence

IBM16 citations83

US5099421AMar 24, 1992

Variable length pipe operations sequencing

IBM21 citations80

US5121488AJun 9, 1992

Sequence controller of an instruction processing unit for placing said unit in a ready, go, hold, or cancel state

IBM15 citations74

US6788227B2Sep 7, 2004

Apparatus for integrated cascade encoding

IBM7 citations72

US5333287AJul 26, 1994

System for executing microinstruction routines by using hardware to calculate initialization parameters required therefore based upon processor status and control parameters

IBM13 citations72

US7936814B2May 3, 2011

Cascaded output for an encoder system using multiple encoders

IBM6 citations62

US6941025B2Sep 6, 2005

Simultaneous vertical spatial filtering and chroma conversion in video images

IBM6 citations62

US6720893B2Apr 13, 2004

Programmable output control of compressed data from encoder

IBM2 citations62

US7016413B2Mar 21, 2006

Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions

IBM5 citations61

US4914579AApr 3, 1990

Apparatus for branch prediction for computer instructions

IBM5 citations61

US7738551B2Jun 15, 2010

System and method for processing a high definition television (HDTV) image

IBM0 citations51

US6980598B2Dec 27, 2005

Programmable vertical filter for video encoding

IBM1 citations51

NGAI AGNES Y

Patents

Distributed control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

Control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

Adaptively encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel

Programmable horizontal filter with noise reduction and image scaling for video encoding system

Method of precise buffer management for MPEG video splicing

Apparatus and method for implementing precise interrupts on a pipelined processor with multiple functional units with separate address translation interrupt means

Video encoding motion estimation employing partitioned and reassembled search window

Apparatus for header generation

Central processing unit checkpoint retry for store-in and store-through cache systems

Real-time variable bit rate encoding of video sequence employing statistics

Optimized field-frame prediction error calculation method and apparatus in a scalable MPEG-2 compliant video encoder

Motion estimation architecture for area and power reduction

Methods for repeated field detection

Macroblock coding technique with biasing towards skip macroblock coding

Precise bit control apparatus with look-ahead for MPEG encoding

Motion estimation processor for a digital video encoder

Adaptive encoding of a sequence of still frames or partially still frames within motion video

Multiple encoder architecture for extended search

Method and apparatus for compressing the execution time of an instruction stream executing in a pipelined processor

Hardware implementation of complex data transfer instructions

On-chip dynamic buffer level indicators for digital video encoder

Macroblock coding using luminance date in analyzing temporal redundancy of picture, biased by chrominance data

Method to compensate for a fade in a digital video input sequence

Variable length pipe operations sequencing

Sequence controller of an instruction processing unit for placing said unit in a ready, go, hold, or cancel state

Apparatus for integrated cascade encoding

System for executing microinstruction routines by using hardware to calculate initialization parameters required therefore based upon processor status and control parameters

Cascaded output for an encoder system using multiple encoders

Simultaneous vertical spatial filtering and chroma conversion in video images

Programmable output control of compressed data from encoder

Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions

Apparatus for branch prediction for computer instructions

System and method for processing a high definition television (HDTV) image

Programmable vertical filter for video encoding